Microwave Permeability of FeCo-Based Magnetic Thin Films

Yan Hui Wu; Magundappa L. Hadimani; Xiang Wen; Yin Dong Zhou; Man Gui Han

doi:10.4028/www.scientific.net/AMR.881-883.1109

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 881-883Microwave Permeability of FeCo-Based Magnetic Thin...

Microwave Permeability of FeCo-Based Magnetic Thin Films

Abstract:

Magnetic FeCoSiB thin films have been prepared and annealed at 300 °C and 400 °C for 1 hour. The as-prepared films and films annealed at 300 °C are found in amorphous states and to be anisotropic in static magnetic properties. Nanocrystalline grains have been found in the films annealed at 400 °C, which are isotropic in magnetic properties. With increasing the annealing temperature, the coercivity and saturation magnetic fields are found decreasing. The resonance frequency shows the same varying trend as the saturation magnetic fields. Large microwave magnetic losses have been found in all the films, which indicate that these films have potential applications in microwave noise attenuation.

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Periodical:

Advanced Materials Research (Volumes 881-883)

Pages:

1109-1112

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.881-883.1109

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Online since:

January 2014

Authors:

Yan Hui Wu, Magundappa L. Hadimani, Xiang Wen, Yin Dong Zhou, Man Gui Han*

Keywords:

Electromagnetic Wave Attenuation, Magnetic Thin Films, Microwave Permeability

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